Examines the kind of work a mechanical engineer does in designing new machinery. Offers activity ideas for designing one's own simple machine.
Content Note
Machine world -- Energy, force, and motion -- What is a machine? -- Looking at levers -- Inventing the wheel (and other turning things) -- Compound machines -- What do we want to make? -- Searching for solutions -- Building a prototype -- Into production -- Design challenge : rocket racer -- On the engineering frontier -- So you want to be a mechanical engineer?